Answer:
The orthocenter is the point where all three altitudes of the triangle intersect. An altitude is a line which passes through a vertex of the triangle and is perpendicular to the opposite side.
2nd equation:
8 x-y=10 ⇒ y= 8 x-10
We will switch that in 1st equation:
8 x-10=x²+12 x+30, or:
x² + 4 x +40 = 0, a=1,B=4, c=40
Discriminant : D= b² - 4 ac= 16 - 160 = -144 and because it is negative there are no real solutions.
Answer: D)
This is a method of substituting values into a given function. The value of the function f x is 7.6 is 3.8
<h3>Functions and values</h3>
Given the following function expressed as:
f(x) = 1/2(x)
We are to determine the value of f(7.6). Substitute x = 7.6 into the function as shown:
f(7.6) = 1/2(7.6)
f(7.6) = 7.6/2
f(7.6) = 3.8
Hence the value of the function f x is 7.6 is 3.8
Learn more on functions and values here:brainly.com/question/6561461
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Answer:
2x = 40°
3x = 60°
4x = 80°
Step-by-step explanation:
2x+3x+4x = 180°
9x = 180
x = 20
SO
2x = 2(20) = 40°
3x = 3(20) = 60°
4x = 4(20) = 80°
